queryinputdlg.cpp

vc 和mapobjects地理信息系统组件开发 很有启发意义和参考价值

// QueryInputDlg.cpp : implementation file
//

#include "stdafx.h"
#include "mapper.h"
#include "QueryInputDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CQueryInputDlg dialog


CQueryInputDlg::CQueryInputDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CQueryInputDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CQueryInputDlg)
	m_dLat = 25.0;
	m_dLon = 118.0;
	m_dX = 55.5;
	m_dY = 55.5;
	m_dAngle = 0.0;
	//}}AFX_DATA_INIT
}


void CQueryInputDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CQueryInputDlg)
	DDX_Text(pDX, IDC_CENTER_LAT, m_dLat);
	DDX_Text(pDX, IDC_CENTER_LON, m_dLon);
	DDX_Text(pDX, IDC_RADIUS_X, m_dX);
	DDX_Text(pDX, IDC_RADIUS_Y, m_dY);
	DDX_Text(pDX, IDC_ROTATE_ANGLE, m_dAngle);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CQueryInputDlg, CDialog)
	//{{AFX_MSG_MAP(CQueryInputDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CQueryInputDlg message handlers

void CQueryInputDlg::OnOK() 
{
	//长轴是纬度
	UpdateData();

	if(m_dY<m_dX)
	{
		AfxMessageBox("长轴半径不能比短轴半径小!");
		return;
	}
	
	CDialog::OnOK();
}